Junfei Chai

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Xuzhou City, CN

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for controlling operation of crane, and crane
- Patent number 11,603,294
- Issue date Mar 14, 2023
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai Shan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Apparatus and method for detecting and protecting telescopic oil cy...
- Patent number 10,196,245
- Issue date Feb 5, 2019
- Xuzhou Heavy Machinery Co., Ltd.
- Junfei Chai
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND SYSTEM FOR CONTROLLING OPERATION OF CRANE, AND CRANE
- Publication number 20190345010
- Publication date Nov 14, 2019
- Xuzhou Heavy Machinery Co., Ltd.
- Zenghai SHAN
- B66 - HOISTING LIFTING HAULING
Information Patent Application
APPARATUS AND METHOD FOR DETECTING AND PROTECTING TELESCOPIC OIL CY...
- Publication number 20160289050
- Publication date Oct 6, 2016
- Xuzhou Heavy Machinery Co., Ltd.
- Junfei Chai
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL